Virtualization Infrastructure Underlay Network Performance Measurement and Monitoring

2. The method of claim 1, wherein each status block of the plurality of status blocks indicates the status of communications between the corresponding, different pair of servers based on result data for communication probes generated by a source agent, for the server of the first plurality of servers, that issues the communication probes to a destination agent for the server of the second plurality of servers.

5. The method of claim 1, wherein the plurality of status blocks is arranged in a grid of rows and columns.

6. The method of claim 1, wherein the second graphical user interface includes an identifier for the first aggregate and an identifier for the second aggregate.

7. The method of claim 1, wherein the first graphical user interface comprises a third graphical element for a third aggregate representing a third plurality of servers, and a graphical indicator visually linking the first aggregate and the third aggregate and indicative of a status of communications between the first aggregate and the third aggregate.

9. The method of claim 1, wherein the graphical indicator comprises an arrow at least partially rendered in a color that is indicative of the status of communications between the first aggregate and the second aggregate.

12. The controller of claim 11, wherein each status block of the plurality of status blocks indicates the status of communications between the corresponding, different pair of servers based on result data for communication probes generated by a source agent, for the server of the first plurality of servers, that issues the communication probes to a destination agent for the server of the second plurality of servers.

15. The controller of claim 11, wherein the second graphical user interface includes an identifier for the first aggregate and an identifier for the second aggregate.

16. The controller of claim 11, wherein the first graphical user interface comprises a third graphical element for a third aggregate representing a third plurality of servers, and a graphical indicator visually linking the first aggregate and the third aggregate and indicative of a status of communications between the first aggregate and the third aggregate.